The Moretto GRV is the same type of granulator as the GR model, with the difference that the GRV features variable speed, allowing the rotor speed to be reduced to save energy.

UNI BLADE variant featuring 1 fixed blade and 3 rotating blades.

The MULTI BLADE variant featuring 1 fixed blade and 5–6 rotating blades.

Both variants are available in several sizes and models to suit various applications.